[Green fluorescent protein gene transfection mediated by recombinant adenovirus vector to rat bone marrow mesenchymal stem cells]

Xia-Fei Fu, Yuan-Li He
Nan Fang Yi Ke da Xue Xue Bao, Journal of Southern Medical University 2007, 27 (10): 1517-20

OBJECTIVE: To investigate the efficient transfection of green fluorescent protein gene (GFP) mediated by recombinant adenovirus vector(Ad-GFP) to rat bone marrow mesenchymal stem cells (MSCs) in vitro.

METHODS: Wistar rat bone marrow-derived MSCs were separated and purified in vitro by Percoll density gradient centrifugation combined with adherent cell culture followed by identification with flow cytometry. MSCs infected by Ad-GFP were observed and the transfection efficiency was assessed by fluorescence microscope. The proliferative ability of these cells was tested by CCK-8.

RESULTS: The transfection efficiency was as high as 90.0%. Expression of GFP gene of infected MSCs was stable for 1 month after infection. There was no statistically difference in proliferative ability between the infected MSCs and non-infected ones (P>0.05).

CONCLUSION: The infected MSCs with Ad-GFP expressed GFP with high efficiency and retain the ability of proliferation as non-infected MSCs. Transgection with Ad-GFP is a highly effective method for labeling MSCs.

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